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## Homework Statement

I am trying to describe the limit for the minimum radius of a star to first year university level students in order to describe the reason for the size of the Sun. I'm a bit confused by the critical density of the material in the star's core and how we know that the main sequence stars have no degenerate electrons.

## Homework Equations

I think to find the critical density we consider de Broglie wavelength of electrons in terms of lambda = h/mv where m and v are the mass and velocity of the electrons. Any help on how to proceed using de Broglie would be great!## The Attempt at a Solution

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